CN108065794B - Steam condensing device for steam box - Google Patents
Steam condensing device for steam box Download PDFInfo
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- CN108065794B CN108065794B CN201710628188.8A CN201710628188A CN108065794B CN 108065794 B CN108065794 B CN 108065794B CN 201710628188 A CN201710628188 A CN 201710628188A CN 108065794 B CN108065794 B CN 108065794B
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- steam
- cavity
- condensing
- condensation
- heat
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/38—Parts, details or accessories of cooking-vessels for withdrawing or condensing cooking vapors from cooking utensils
Abstract
The invention relates to a steam condensing device for a steam box, which comprises a condensing main body with a condensing cavity, wherein the condensing cavity is used for introducing steam to be condensed, a heat absorber capable of absorbing heat of the steam is arranged in the condensing cavity, the heat absorber comprises a shell, the inner cavity of the shell forms a heat absorbing cavity, heat accumulating liquid is stored in the heat absorbing cavity, and a liquid inlet and a liquid outlet are respectively formed in the cavity wall; a steam box with the device is also arranged. According to the invention, the condensing cavity is internally provided with the heat absorbing body, and the heat absorbing cavity in the heat absorbing body is internally provided with the liquid inlet and the liquid outlet, so that the heat of high-temperature steam in the condensing cavity is fully absorbed through the flow of heat accumulating liquid in the heat absorbing cavity, thereby accelerating the condensation of the steam and improving the condensation efficiency of the steam condensing device. In addition, the steam box can effectively prevent water in steam from being brought to an external space along with gas, prevent the degradation of the external use environment of the steam box caused by the escape of the steam, and promote the use experience of users.
Description
Technical Field
The invention relates to the field of household steam boxes, in particular to a steam condensing device for a steam box.
Background
Along with the improvement of living standard, healthy and natural diet is more and more favored by people, and steamed foods are favored because the nutritional ingredients of the food can be reserved to the greatest extent. A steam box is a common electric appliance for steaming food, and generally comprises a box body and a steam generating device, wherein the steam generating device comprises a water tank and a heating plate, and water in the water tank forms a large amount of steam under the action of heat emitted by the heating plate, and the steam is used for steaming food.
In the existing steam box, a large amount of steam is generated by the steam generator and is introduced into the inner container, the steam is discharged through the steam discharging connector of the inner container after food is heated in the inner container, and waste gas is discharged out of the atmosphere through the steam discharging pipe. In the prior art, heat in steam is generally taken away by taking liquid water as a medium, so that the temperature of the steam is reduced, and when the water in the steam is lower than the saturated steam pressure, excessive water is separated out in the air and is adhered to the inner wall to form condensed water, so that the aim of reducing the discharged steam is fulfilled. However, in the prior art, since liquid water is static and the contact area with steam is limited, the steam condensation efficiency is not high.
Disclosure of Invention
The first technical problem to be solved by the invention is to provide a steam condensing device for a steam box, which has high steam condensing efficiency.
The second technical problem to be solved by the invention is to provide a steam box with the steam condensing device, which can effectively prevent water in steam from being emitted to the outside.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a steam condensing equipment for steam ager, includes the condensation main part that has the condensation chamber, and this condensation chamber is used for letting in the steam that waits to condense, its characterized in that is provided with the heat absorber that can absorb steam in the condensation chamber, and this heat absorber includes the casing, and the inner chamber of this casing forms the heat absorption chamber, and this heat absorption intracavity stores the liquid that can store heat to inlet and liquid outlet have been seted up respectively on the chamber wall.
The heat-accumulating liquid is preferably a liquid with high specific heat capacity, and water can be selected as the simplest liquid.
Preferably, a diversion loop is arranged in the heat absorption cavity, and two ends of the diversion loop are respectively communicated with the liquid inlet and the liquid outlet. Therefore, the flow rate of water entering from the liquid inlet in the heat absorption cavity is slowed down, so that the liquid can stay in the heat absorption cavity for a longer time, and the heat absorption effect of the heat absorber on high-temperature steam in the condensation cavity is improved.
Further, the diversion loop is spiral. Therefore, the flow velocity of the liquid in the diversion loop can be reduced to the greatest extent, the cold liquid can completely replace the hot liquid in the diversion loop, the heat exchange area is increased, and the heat exchange efficiency is improved.
Preferably, the whole body of the shell is flat, the liquid inlet and the liquid outlet are respectively arranged on the top wall of the shell, the bottom wall of the shell is upwards protruded to form a spiral convex rib, and the convex rib and the cavity wall of the heat absorption cavity are surrounded to form the flow guide loop
Further, the top ends of the convex ribs are propped against the top wall of the shell, so that the diversion ring channel forms a closed channel, and water flow can be better guided to rotate in a spiral mode along the diversion ring channel.
Preferably, the top wall and the bottom wall of the shell are opposite vertically, the liquid inlet is formed in the center of the top wall, the liquid outlet is formed in the outer side edge of the top wall, and the ribs are uniformly coiled on the inner side surface of the bottom wall.
Preferably, the condensation main body comprises an upper condensation plate, a lower condensation plate and a side plate, wherein the upper condensation plate and the lower condensation plate are arranged in an up-down opposite mode, and the side plate is connected between the upper condensation plate and the lower condensation plate; at least two concave pits are arranged on the upper condensing plate, and the heat absorbing body is adjacent to the upper condensing plate. The arrangement of the pits can enable condensed water around the pits to be converged together, and the condensed water is converged into big water drops and drops onto the lower condensing plate, so that the top of the condensing cavity is prevented from accumulating a large amount of water drops, and the service efficiency is affected.
Preferably, the condensation main body is also provided with a liquid storage cavity which is communicated with the condensation cavity through a liquid guide groove; at least two convex blocks are convexly arranged on the lower condensing plate at intervals from bottom to top, and an exhaust port is arranged in the middle of each convex block; the lower condensing plate is arranged in a downward inclined mode along the steam entering direction, and the liquid guide groove is arranged opposite to the protruding block and is positioned at the lower side of the protruding block. The condensed water dropped from the upper condensing plate can be converged into the liquid guide groove through the gap and enter the liquid storage cavity through the liquid guide groove, so that the exhaust is realized without influencing the passing of the condensed water.
Preferably, the steam condensing device further comprises an air deflector, the air deflector is formed by extending the bottom of the condensing main body to one side, the bottom of the air deflector and the bottom of the condensing main body form an air guide channel, and the exhaust port is communicated with the air guide channel; the air guide channel forms an air inlet at one end of the bottom of the condensation main body, and forms an air outlet which is communicated with the outside at the bottom of the air guide plate relative to the far end of the condensation main body. When the air flow is at the bottom of the condensing device, the condensing device can be radiated by forced convection, and the heat is led to the outside through the air guide channel and the air outlet by the ventilation gap.
Compared with the prior art, the invention has the advantages that: the condensing cavity is internally provided with a heat absorber, and the cavity wall of the heat absorbing cavity in the interior of the heat absorber is provided with a liquid inlet and a liquid outlet, so that heat of high-temperature steam in the condensing cavity is fully absorbed through the flow of heat accumulating liquid in the heat absorbing cavity, the condensation of the steam is accelerated, and the condensation efficiency of the steam condensing device is improved. In addition, the steam box with the steam condensing device can effectively prevent water in steam from being brought to an external space along with gas, prevent degradation of the external use environment of the steam box caused by steam escape, and promote the use experience of users.
Drawings
FIG. 1 is a schematic view of a vapor condensing device according to an embodiment of the invention
FIG. 2 is a schematic view of the structure of FIG. 1 in another direction;
FIG. 3 is a schematic view showing a partial structure of a vapor condensing apparatus to which the present invention is applied;
fig. 4 is a schematic structural diagram of a heat absorber according to an embodiment of the present invention;
FIG. 5 is a partial cross-sectional view of a heat absorber in an embodiment of the invention;
fig. 6 is a bottom view of the heat absorber in an embodiment of the invention.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 6, a steam condensing device for a steam box comprises a condensing main body 1 and an air deflector 3, wherein the air deflector 3 is formed by extending the bottom of the condensing main body 1 to one side, and the bottom of the air deflector 3 and the bottom of the condensing main body 1 form an air guide channel 6. The air guide channel 6 forms an air inlet 61 at one end of the bottom of the condensation body 1, and the air guide channel 6 forms an air outlet 62 at the bottom of the air guide plate 3, which is open to the outside, relative to the distal end of the condensation body 1. In order to further accelerate the condensation efficiency of the condensation body 1, a fan (not shown) may be disposed on the air inlet 61, and the fan may blow air to the air guide channel 6 through the air inlet 61, and when the air flow enters the bottom of the condensation body 1, the air flow may dissipate heat of the condensation body 1 through forced convection, and the heat may be led to the outside through the air outlet 62 of the air guide channel 6. In addition, the air inlet 61 is provided with the temperature controller 7, when the fan breaks down and steam leaks from the air inlet 61, the temperature controller 7 can control the steam condensing device to be powered off, so that the steam condensing device is protected.
The condensation body 1 has a steam inlet 131, an air outlet 122, and a condensed water outlet 151, and a condensation chamber 10 and a liquid storage chamber 15 for introducing steam to be condensed are provided in the condensation body 1, the condensation chamber 10 and the liquid storage chamber 15 are communicated through a liquid guiding groove 14, and the steam inlet 131 and the air outlet 122 are respectively provided on the condensation chamber 10. Specifically, the condensation body 1 includes an upper condensation plate 11, a lower condensation plate 12, and a side plate 13 connected therebetween, which are disposed opposite to each other, and together define the condensation chamber 10. The steam inlet 131 is formed on the side plate 13 and is located at one side of the condensing chamber 10, the air outlet 122 is formed on the lower condensing plate 12 and is located at the other side of the condensing chamber 10, and the steam inlet 131 is communicated with the inner container of the steam box, so that high-temperature steam is introduced into the condensing chamber 10.
Further, at least two concave pits 111 are disposed on the upper condensation plate 11, and in this embodiment, the concave pits 111 are uniformly distributed on the upper condensation plate 11 at intervals. The arrangement of the concave pit 111 can increase the contact area between the upper condensation plate 11 and high-temperature steam, thereby promoting the condensation of the steam, in addition, the condensation water around the concave pit 111 is also beneficial to converging together, and the condensed water drops onto the lower condensation plate 12 in a state of converging into large water drops, thereby preventing the top of the condensation cavity 10 from accumulating a large amount of water drops and affecting the use efficiency. On the other hand, at least two protruding blocks 121 are protruded on the lower condensation plate 12 from top to bottom at intervals, the air outlet 122 is provided at the middle part of each protruding block 121, and each air outlet 122 is led to the air guide channel 6. In this embodiment, six protrusions 121 are uniformly distributed at intervals in a straight line, each protrusion 121 has a truncated cone shape, and the exhaust port 122 is formed at the center of each protrusion 121. The lower condensing plate 12 is disposed obliquely downward in the steam inlet direction (the inclination angle of the lower condensing plate 12 is 5 degrees in the present embodiment), and the liquid guiding groove 14 is disposed opposite to the protruding block 121 and is located at the lower side of the protruding block 121. Gaps are reserved between the adjacent convex blocks 121, so that condensed water dripped from the upper condensing plate 11 can be converged into the liquid guide groove 14 through the gaps and enter the liquid storage cavity 15 through the liquid guide groove 14, and the exhaust is realized without influencing the passing of the condensed water.
Still further, a heat absorber 2 capable of absorbing heat of high-temperature steam is disposed in the condensation chamber 10, the heat absorber 2 includes a housing 20, an inner cavity of the housing 20 forms a heat absorbing chamber 200, and a liquid capable of storing heat is stored in the heat absorbing chamber 200, and in this embodiment, the liquid is water. The wall of the heat absorbing cavity 200 is provided with a liquid inlet 25 and a liquid outlet 26.
In order to slow down the flow rate of the water entering from the liquid inlet 25 in the heat absorbing cavity 200, so that the water flow can stay in the heat absorbing cavity 200 for a longer time, the heat absorbing effect of the heat absorbing body 2 on the high temperature steam in the condensation cavity 10 is improved, in this embodiment, a flow guiding ring 24 is arranged in the heat absorbing cavity 200, and two ends of the flow guiding ring are respectively communicated with the liquid inlet 25 and the liquid outlet 26. Preferably, the diversion ring 24 is spiral, the liquid inlet 25 is communicated with the water inlet end of the diversion ring 24, and the liquid outlet 26 is communicated with the water outlet end of the diversion ring 24. Thus, the flow speed of water flow in the diversion loop 24 can be reduced to the greatest extent, cold water can completely replace hot water in the diversion loop 24, and the heat exchange area is increased, so that the heat exchange efficiency is improved. Specifically, in this embodiment, the housing 20 is flat, the liquid inlet 25 and the liquid outlet 26 are respectively formed on the top wall 21 of the housing 20, the liquid inlet 25 is formed at the center of the top wall 21, and the liquid outlet 26 is formed on the outer edge of the top wall 21. The bottom wall 22 of the housing 20 is protruded upward to form a spiral rib 23, the rib 23 and the cavity wall of the heat absorbing cavity 200 are surrounded to form the flow guiding ring 24, and the top end of the rib 23 abuts against the top wall 21 of the housing 20, so that the flow guiding ring 24 forms a closed channel.
When the water pump 5 works, cold water in the water tank 4 enters the heat absorption cavity 200 through the liquid inlet 25, the cold water entering the heat absorption cavity 200 flows spirally from inside to outside along the spiral flow guide ring 24, heat of high-temperature steam in the condensation cavity 10 is fully absorbed in the flowing process, finally hot water after heat absorption flows out from the liquid outlet 26, on one hand, the spiral flow guide ring 24 can completely replace hot water in the heat absorption cavity 200 with cold water, on the other hand, the heat exchange area can be increased, so that the heat exchange efficiency is improved, and the steam condensation efficiency of the condensation cavity 10 is further improved.
As shown in fig. 3, which is a schematic view of a part of a steam box to which the steam condensing device according to the present invention is applied, the steam box includes a water tank 4 and a water pump 5, the liquid inlet 25 is in fluid communication with the water tank 4, and the liquid outlet 26 is in fluid communication with the water pump 5. Fluid communication of the inlet 25 with the tank 4 means: when the condensation body 1 and the water tank 4 are provided at a distance (i.e., in the case of the embodiment), communication may be through an additional pipe or tube (dotted line portion in fig. 3); when the condensation body 1 and the water tank 4 are disposed next to each other, the liquid inlet 25 may also be directly connected to the water outlet of the water tank 4 (not shown). Likewise, fluid communication of the outlet 26 with the water pump 5 means: when the condensation body 1 and the water pump 5 are provided at a distance (i.e., in the case of the embodiment), communication may be through an additional pipe or tube (dotted line portion in fig. 3); when the condensation body 1 and the water pump 5 are disposed next to each other, the liquid outlet 26 may also be in direct communication with the water pump 5 (not shown). Therefore, the phenomenon that water in the steam is brought to an external space along with the gas can be effectively avoided, the degradation of the external use environment of the steam box caused by the escape of the steam is prevented, and the use experience of a user is improved.
Claims (8)
1. A steam condensing device for a steam box, comprising a condensing main body (1) with a condensing cavity (10), wherein the condensing cavity (10) is used for introducing steam to be condensed, characterized in that a heat absorber (2) capable of absorbing heat of the steam is arranged in the condensing cavity (10), the heat absorber (2) comprises a shell (20), an inner cavity of the shell (20) forms a heat absorbing cavity (200), heat accumulating liquid is stored in the heat absorbing cavity (200), a liquid inlet (25) and a liquid outlet (26) are respectively arranged on the cavity wall,
the shell (20) is integrally flat, the condensation main body (1) comprises an upper condensation plate (11) and a lower condensation plate (12) which are arranged oppositely up and down, and a side plate (13) connected between the upper condensation plate and the lower condensation plate, and the upper condensation plate, the lower condensation plate and the side plate are enclosed together to form the condensation cavity (10);
at least two concave pits (111) are arranged on the upper condensation plate (11), the heat absorbing body (2) is adjacent to the upper condensation plate (11),
a liquid storage cavity (15) is further arranged in the condensation main body (1), and the liquid storage cavity (15) is communicated with the condensation cavity (10) through a liquid guide groove (14);
at least two convex blocks (121) are convexly arranged on the lower condensation plate (12) at intervals from bottom to top, and an exhaust port (122) is formed in the middle of each convex block (121);
the lower condensing plate (12) is arranged obliquely downwards along the steam entering direction, the liquid guide groove (14) is arranged opposite to the convex block (121) and is positioned at the lower side of the convex block (121),
the shape of each lug (121) is in a truncated cone shape, and the exhaust port (122) is arranged at the center of each lug (121).
2. The steam condensing device according to claim 1, characterized in that a diversion loop (24) is arranged in the heat absorbing cavity (200), and two ends of the diversion loop are respectively communicated with the liquid inlet (25) and the liquid outlet (26).
3. The steam condensing device of claim 2, characterized in that the deflector loop (24) is helical.
4. A steam condensing device according to claim 3, characterized in that the liquid inlet (25) and the liquid outlet (26) are respectively provided on the top wall (21) of the housing (20), and the bottom wall (22) of the housing (20) is raised upwards to form a spiral rib (23), and the rib (23) and the cavity wall of the heat absorbing cavity (200) enclose the flow guiding ring (24).
5. A steam condensing device according to claim 4, characterized in that the top ends of the ribs (23) are in abutment with the top wall (21) of the housing (20).
6. The steam condensing device according to claim 4, wherein the top wall (21) and the bottom wall (22) of the shell (20) are opposite to each other vertically, the liquid inlet (25) is formed in the center of the top wall (21), the liquid outlet (26) is formed in the outer edge of the top wall (21), and the ribs (23) are uniformly wound on the inner side surface of the bottom wall (22).
7. The steam condensing device according to claim 1, further comprising an air deflector (3), wherein the air deflector (3) extends from the bottom of the condensing body (1) to one side, the bottom of the air deflector (3) and the bottom of the condensing body (1) form an air guiding channel (6), and the exhaust port (122) opens into the air guiding channel (6);
the air guide channel (6) forms an air inlet (61) at one end of the bottom of the condensation main body (1), and the air guide channel (6) forms an air outlet (62) which is communicated with the outside at the bottom of the air guide plate (3) relative to the far end of the condensation main body (1).
8. A steam box with a steam condensing device according to any of claims 1-6, comprising a water tank (4) and a water pump (5), characterized in that the inlet (25) is in fluid communication with the water tank (4) and the outlet (26) is in fluid communication with the water pump (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710628188.8A CN108065794B (en) | 2017-07-28 | 2017-07-28 | Steam condensing device for steam box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710628188.8A CN108065794B (en) | 2017-07-28 | 2017-07-28 | Steam condensing device for steam box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108065794A CN108065794A (en) | 2018-05-25 |
| CN108065794B true CN108065794B (en) | 2023-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710628188.8A Active CN108065794B (en) | 2017-07-28 | 2017-07-28 | Steam condensing device for steam box |
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| Country | Link |
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| CN (1) | CN108065794B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109259612A (en) * | 2018-10-23 | 2019-01-25 | 珠海格力电器股份有限公司 | Steam valve and cooking apparatus |
| CN111202424B (en) * | 2020-01-14 | 2022-02-08 | 宁波方太厨具有限公司 | Ventilation assembly and steaming and baking all-in-one machine with same |
| CN113545658B (en) * | 2020-04-23 | 2022-08-02 | 宁波方太厨具有限公司 | Steam box |
| CN112754304B (en) * | 2021-01-28 | 2022-04-15 | 宁波方太厨具有限公司 | Steam condensing device for steaming cooking equipment and electric steam box |
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| CN102022829A (en) * | 2009-09-09 | 2011-04-20 | 中国科学院工程热物理研究所 | Immersed condensation heat exchanger and application thereof |
| CN102135334A (en) * | 2011-03-02 | 2011-07-27 | 中国科学院电工研究所 | Silica glass tube bundle type air heat absorber for solar heat generating station |
| CN102659200A (en) * | 2012-04-26 | 2012-09-12 | 安徽运漕酒厂 | Distilled water production device |
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